Hoop exerciser



FIG. 1 is a perspective view of a hoop exerciser showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a cross-sectional view thereof taken along line 4--4 in FIG. 2 and shown on an enlarged scale; and

FIG. 5 is a cross-sectional view thereof taken along line 5--5 in FIG. 2 and shown on an enlarged scale. 

The ornamental design for a hoop exerciser, as shown and described. 